Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR38847EpublicationCriticalpatent/FR38847E/fr
F22B23/00—Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilateral abutting connection with a boiler drum or with a header box, i.e. built-up from Field water tubes comprising an inner tube arranged within an outer unilaterally-closed tube
Landscapes
Engineering & Computer Science
(AREA)
Physics & Mathematics
(AREA)
Thermal Sciences
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
FR38847D1930-03-111930-03-11Perfectionnements aux tubes d'eau des chaudières verticales
ExpiredFR38847E
(fr)